JavaScript how to make a revealing list

Learn how to create an opening list using JavaScript and an example.

Making a Revealing List with JavaScript

Using JavaScript, it's possible to create a revealing list with a few lines of code. A revealing list is a list with hidden content that is revealed when clicked on. This can be used to display extra information that may otherwise clutter up the page. The example below shows how to create a simple revealing list using JavaScript.

// Create a list of items
let list = [
  {
    name: "Item 1",
    description: "This is a description for item 1."
  },
  {
    name: "Item 2",
    description: "This is a description for item 2."
  },
  {
    name: "Item 3",
    description: "This is a description for item 3."
  },
];

// Create a function that will toggle the visibility of the list items
function toggleVisibility(index) {
  let item = list[index];
  item.visible = !item.visible;
}

// Iterate over the list and set the visibility to false
for (let i = 0; i < list.length; i++) {
  list[i].visible = false;
}

// Create a function to render the list
function renderList() {
  // Iterate over the list and create a list item for each item
  let html = "";
  for (let i = 0; i < list.length; i++) {
    let item = list[i];
    html += `
      

        
${item.name}
        ${item.visible ? `
${item.description}
` : ""}
      
    `;
  }
  // Render the list to the page
  document.querySelector("#list").innerHTML = html;
}

renderList();

The code above creates a list of items, then creates a function to toggle the visibility of the list items when clicked. The items are then set to be invisible by default. We then create a function to render the list to the page. When the list item is clicked, it toggles the visibility of the description.

The result is a simple revealing list that can be used to show more information without cluttering up the page. This example can be extended to create more complex revealing lists with different types of content.